60220316657 has 2 divisors, whose sum is σ = 60220316658. Its totient is φ = 60220316656.

The previous prime is 60220316641. The next prime is 60220316677. The reversal of 60220316657 is 75661302206.

60220316657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43620828736 + 16599487921 = 208856^2 + 128839^2 .

It is a cyclic number.

It is not a de Polignac number, because 60220316657 - 2⁴ = 60220316641 is a prime.

It is a super-4 number, since 4×60220316657⁴ (a number of 44 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60220316657.

It is not a weakly prime, because it can be changed into another prime (60220316677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30110158328 + 30110158329.

It is an arithmetic number, because the mean of its divisors is an integer number (30110158329).

Almost surely, 2^60220316657 is an apocalyptic number.

It is an amenable number.

60220316657 is a deficient number, since it is larger than the sum of its proper divisors (1).

60220316657 is an equidigital number, since it uses as much as digits as its factorization.

60220316657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 60220316657 in words is "sixty billion, two hundred twenty million, three hundred sixteen thousand, six hundred fifty-seven".